The phrase "topic categories" refers to groups or divisions of subjects based on similar themes or subjects. It helps in organizing and grouping topics together based on their similarities. Full definition
Join this roundtable to discuss critical updates to game development curricula, including new topic categories such as AV / VR as well as a focus on accessibility. (ian-hamilton.com)
Medical assisting terminology leads off the general topics category. (mb-guide.org)
Teachers can select from any number of topic categories including Earth Sciences, Mathematics, Space Science and others. (educationworld.com)