User blog comment:Brandon Rhea/Wiki domains will be changing from wikia.com to fandom.com in early 2019/@comment-29962213-20180815194214/@comment-20644-20180815215934

While there are some exceptions, the term FANDOM represents the vast majority of communities on the site, which are pop culture and lifestyle-focused. The examples you've mentioned here drive home the importance of why terms like wiki and community are used as descriptors.