Sociology is all about how people behave and interact with one another, and one aspect of this is gender. Gender is a way of thinking about whether people are male or female, and sometimes it's not as simple as just looking at someone's body parts. In fact, sometimes people might not feel like they fit into the two categories of male and female at all!
So, when sociologists study gender, they're looking at the ways that people treat each other differently based on whether they're seen as male or female. This can include things like how boys and girls are taught to act, what they're allowed to wear, and what activities they're encouraged to participate in. In other words, gender is a big part of how we form our identities, and how we interact with others.
Sociologists also look at how gender intersects with other parts of our identity, like race or class. For example, women of color might experience gender discrimination in different ways than white women do, because they face additional obstacles based on their race.
Overall, the sociology of gender is all about understanding how gender shapes our lives and the systems we live in. It's a way of looking at the world that helps us better understand why things work the way they do, and how we can work to make things more equal and fair for everyone.