There are many genres and approaches to photography. Some of these categories can be group and regrouped in many ways. Here are some areas to explore:
Food Photography
Product Photography
Portraits
Landscapes
Macro-Photography
Wide-Angle Photography
Street Photography
Fashion Photography
Documentary
Event
Holiday
Golden Hour
Interior Photography
Lifestyle Photography
Long Exposure Photography
Minimalist
Pet
Photojournalism
Seascape
Sport
Still-Life
Time-lapse
Wedding
Wildlife