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Insurance: Definition, How It Works, and Main Types of Policies

Insurance: Definition, How It Works, and Main Types of Policies What is the full meaning of insurance? What is a good definition of insurance? What is the purpose of insurance? What are the top 3 types of insurance? How to explain insurance? Why do we need an insurance? What is a benefit in insurance? What is insurance in one words? What are the 7 principles of insurance?

What Is Insurance?

Insurance is a contract, represented by a policy, in which a policyholder receives financial protection or reimbursement against losses from an insurance company. The company pools clients’ risks to make payments more affordable for the insured. Most people have some insurance: for their car, their house, their healthcare, or their life.

Insurance policies hedge against financial losses resulting from accidents, injury, or property damage. Insurance also helps cover costs associated with liability (legal responsibility) for damage or injury caused to a third party.

How Insurance Works

Many insurance policy types are available, and virtually any individual or business can find an insurance company willing to insure them—for a price. Common personal insurance policy types are auto, health, homeowners, and life insurance. Most individuals in the United States have at least one of these types of insurance, and car insurance is required by state law.

Businesses obtain insurance policies for field-specific risks, For example, a fast-food restaurant’s policy may cover an employee’s injuries from cooking with a deep fryer. Medical malpractice insurance covers injury- or death-related liability claims resulting from the health care provider’s negligence or malpractice. A company may use an insurance broker of record to help them manage the policies of its employees. Businesses may be required by state law to buy specific insurance coverages.

There are also insurance policies available for very specific needs. Such coverage includes business closures due to civil authority, kidnap, ransom, and extortion (K&R) insurance, identity theft insurance, and wedding liability and cancellation insurance.

Insurance Policy Components
Understanding how insurance works can help you choose a policy. For instance, comprehensive coverage may or may not be the right type of auto insurance for you. Three components of any insurance type are the premium, policy limit, and deductible.

A policy’s premium is its price, typically a monthly cost. Often, an insurer takes multiple factors into account to set a premium. Here are a few examples:

Auto insurance premiums: Your history of property and auto claims, age and location, creditworthiness, and many other factors that may vary by state.
Home insurance premiums: The value of your home, personal belongings, location, claims history, and coverage amounts.
Health insurance premiums: Age, sex, location, health status, and coverage levels.
Life insurance premiums: Age, sex, tobacco use, health, and amount of coverage.
Much depends on the insurer’s perception of your risk for a claim. For example, suppose you own several expensive automobiles and have a history of reckless driving. In that case, you will likely pay more for an auto policy than someone with a single midrange sedan and a perfect driving record. However, different insurers may charge different premiums for similar policies. So finding the price that is right for you requires some legwork.

Policy Limit

The policy limit is the maximum amount an insurer will pay for a covered loss under a policy. Maximums may be set per period (e.g., annual or policy term), per loss or injury, or over the life of the policy, also known as the lifetime maximum.

Typically, higher limits carry higher premiums. For a general life insurance policy, the maximum amount that the insurer will pay is referred to as the face value. This is the amount paid to your beneficiary upon your death.

The federal Affordable Care Act (ACA) prevents ACA-compliant plans from instituting a lifetime limit for essential healthcare benefits such as family planning, maternity services, and pediatric care.


The deductible is a specific amount you pay out of pocket before the insurer pays a claim. Deductibles serve as deterrents to large volumes of small and insignificant claims.

For example, a $1,000 deductible means you pay the first $1,000 toward any claims. Suppose your car’s damage totals $2,000. You pay the first $1,000, and your insurer pays the remaining $1,000.

Deductibles can apply per policy or claim, depending on the insurer and the type of policy. Health plans may have an individual deductible and a family deductible. Policies with high deductibles are typically less expensive because the high out-of-pocket expense generally results in fewer small claims.

Types of Insurance

There are many different types of insurance. Let’s look at the most important.

Health Insurance

Health insurance helps covers routine and emergency medical care costs, often with the option to add vision and dental services separately. In addition to an annual deductible, you may also pay copays and coinsurance, which are your fixed payments or percentage of a covered medical benefit after meeting the deductible. However, many preventive services may be covered for free before these are met.

Health insurance may be purchased from an insurance company, an insurance agent, the federal Health Insurance Marketplace, provided by an employer, or federal Medicare and Medicaid coverage.

The federal government no longer requires Americans to have health insurance, but in some states, such as California, you may pay a tax penalty if you don’t have insurance.

Home Insurance
Homeowners insurance (also known as home insurance) protects your home, other property structures, and personal possessions against natural disasters, unexpected damage, theft, and vandalism. Homeowner insurance won’t cover floods or earthquakes, which you’ll have to protect against separately. Policy providers usually offer riders to increase coverage for specific properties or events and provisions that can help reduce deductible amounts. These adders will come at an additional premium amount.

Renter’s insurance is another type of homeowners insurance.

Your lender or landlord will likely require you to have homeowners insurance coverage. Where homes are concerned, you don’t have coverage or stop paying your insurance bill your mortgage lender is allowed to buy homeowners insurance for you and charge you for it.

Auto Insurance
Auto insurance can help pay claims if you injure or damage someone else’s property in a car accident, help pay for accident-related repairs on your vehicle, or repair or replace your vehicle if stolen, vandalized, or damaged by a natural disaster.

Instead of paying out of pocket for auto accidents and damage, people pay annual premiums to an auto insurance company. The company then pays all or most of the covered costs associated with an auto accident or other vehicle damage.

If you have a leased vehicle or borrowed money to buy a car, your lender or leasing dealership will likely require you to carry auto insurance. As with homeowners insurance, the lender may purchase insurance for you if necessary.

Life Insurance
A life insurance policy guarantees that the insurer pays a sum of money to your beneficiaries (such as a spouse or children) if you die. In exchange, you pay premiums during your lifetime.

There are two main types of life insurance. Term life insurance covers you for a specific period, such as 10 to 20 years. If you die during that period, your beneficiaries receive a payment. Permanent life insurance covers your whole life as long as you continue paying the premiums.

Travel Insurance
Travel insurance covers the costs and losses associated with traveling, including trip cancellations or delays, coverage for emergency health care, injuries and evacuations, damaged baggage, rental cars, and rental homes.

However, even some of the best travel insurance companies do not cover cancellations or delays due to weather, terrorism, or a pandemic. They also don’t often cover injuries from extreme sports or high-adventure activities.

What Is Insurance?
Insurance is a way to manage your financial risks. When you buy insurance, you purchase protection against unexpected financial losses. The insurance company pays you or someone you choose if something bad occurs. If you have no insurance and an accident happens, you may be responsible for all related costs.

Why Is Insurance Important?
Insurance helps protect you, your family, and your assets. An insurer will help you cover the costs of unexpected and routine medical bills or hospitalization, accident damage to your car or injury of others, and home damage or theft of your belongings. An insurance policy can even provide your survivors with a lump-sum cash payment if you die. In short, insurance can offer peace of mind regarding unforeseen financial risks.

Is Insurance an Asset?
Depending on the type of life insurance policy and how it is used, permanent or variable life insurance could be considered a financial asset because it can build cash value or be converted into cash. Simply put, most permanent life insurance policies have the ability to build cash value over time.

The Bottom Line
Insurance helps to protect you and your family against unexpected financial costs and resulting debts or the risk of losing your assets. Insurance helps protect you from expensive lawsuits, injuries and damages, death, and even total losses of your car or home.

Sometimes, your state or lender may require you to carry insurance. Although there are many insurance policy types, some of the most common are life, health, homeowners, and auto. The right type of insurance for you will depend on your goals and financial situation.

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Related Terms

What Is Supplemental Health Insurance?

Supplemental health insurance can help pay for expenses not fully covered by your health insurance plan within certain limits. more

What Is Indemnity Health Insurance?

Indemnity health insurance plans are not ACA-compliant. They are not a replacement for major medical insurance, but you can use them to supplement your existing coverage. more

What Is Travel Insurance, and What Does It Cover?

Travel insurance helps cover financial losses associated with illness, injury, accidents, flight or other transportation delays, and other issues that happen during a trip. more

What Is Homeowners Insurance and How Does It Work?

Homeowners insurance covers losses and damage to an owner’s residence, furnishings, and other possessions, as well as providing liability protection.. more

What Is a Car Insurance Premium?

A car insurance premium is the money you pay your insurer in exchange for the protections outlined in your policy. Learn how to get the best rates. more

Fire Insurance: Definition, Elements, How It Works, and Example

Fire insurance covers damage and losses caused by fire and is often purchased in addition to standard homeowners insurance. Learn how coverage works. more

What is the full meaning of insurance?

Insurance is a contract (policy) in which an insurer indemnifies another against losses from specific contingencies or perils.
There are many types of insurance policies. Life, health, homeowners, and auto are among the most common forms of insurance.
The core components that make up most insurance policies are the premium, deductible, and policy limits.

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