DescriptiveLinguistics? is divided into a number of fields.
LinguisticS is also studied with other disciplines, thus:
We are going to have a problem here. On the LanguagE page, languages are being categorized by thier origin. This entry, SouthEastAsianLanguages, is a classification by geographical area. Both are possible and should be on separate pages. I am not at all sure this entry belongs directly on the LinguistcS? page.