Answer:
Because there is a wide user base and questions are answered in a small matter of time
1. Alternate forms
2. Synonym (These are all guesses)
3. Entry word
4. Part of speech
5. Definition
6. Respelling (One of these is incorrect, for sure.)
7. The very bottom thingy "etymology"
Sorry if any/all of these are incorrect. Please do some research, or wait for another person to respond.