For example, for the mythology tag the description reads:
For questions about stories that are part of Hindu religious beliefs. Hindu mythology can be found throughout Hindu scriptures like the Vedas, Puranas, Ramayana, and Mahabharata
1) Who created most of the tag excerpts on HSE and can they be changed? Were they created by SE community Mods or HSE Mods?
2) Are they strict rules or just guidelines?
Keeping in mind the site's gradual progress and evolution can they be altered and improved upon?