When we talk about love, it’s a term that encompasses a variety of emotions and feelings. Those feelings might range from the deepest affection to the simplest pleasures. It might also describe the way you feel about a pet or a piece of art, a political cause or a religious faith. It could even mean the way you feel for your friends or family members.

While philosophers, poets and writers have argued over the meaning of the word love, most people agree that it means strong feelings of affection. But what exactly are those feelings? And are there different types of love? The answer to both questions is yes.

Psychologist Kristina Hallett explains that there are two basic types of love. The first is passionate love, which combines attraction and sexual desire (also known as lust). The other type is companionate love, which includes a sense of attachment and intimacy that develops in long-term relationships. She adds that true love is a beautiful fusion of these two love styles.

For some, the experience of falling in love is almost mystical. They might experience physical symptoms such as a dry mouth or butterflies in the stomach, a flush of the skin or weak knees. They might have a persistent need to contact the person they are in love with or have a strong craving for sex. For others, however, this feeling of love is less a matter of physical sensations than of a sense of connection and comfort. It’s the knowledge that you’re in a safe place where your authentic self can be accepted and appreciated. It’s a feeling that makes life better, not harder.

There’s also a type of love called pragma or practical love, which is usually characterized by commitment and a shared vision for the future. It’s the kind of love that you might feel for a close friend or your partner in a committed relationship. It’s a loving connection that supports you through challenging times and provides you with stability. There’s also agape love, which is more like unconditional kindness and giving. It’s the kind of love that 143 pounds of Mr. Rogers reportedly felt for his neighbors.

While scientists have argued about whether love is a biological or psychological phenomenon, many believe that both a physical and emotional reaction are involved. Researchers have studied the effects of hormones such as oxytocin and neurotrophins on the brain, but they have also observed how social influences can play an important role in the development of love.

Most people can think of times when they have loved someone, but what about the larger idea of love? It can include the selfless sacrifice of a leader like Martin Luther King Jr. or Mahatma Gandhi, the love of a family member or close friend, or the love of a dog or favorite painting. It can also refer to a spiritual or philosophical belief such as freedom or God. In each case, the common element is a commitment to doing what’s best for that thing or person you love.