Short introduction to the language.
Continued introduction of said language, with some extra history.
Phonotactics go over the syllable structure and stress of the language. In other words, how the sounds combine to form syllables and words.
This section would go over the morphology of the conlang, including how root words are created.
Syntax goes over how words are combined, as well as more niche word types like conjunctions or prepositions.
How the culture affects the lexicon and words used throughout the conlang, as well as grammar in respect to politeness and ranking and such.
How the conlang is actually written, if it all.
Here would be the full lexicon of the conlang so far.