Words to Describe annotations

How annotations often is described ("________ annotations")

• multimedia
• useful
• informative
• collected
• necessary
• substantial
• explicit
• biblical
• supplemental
• careful
• sundry
• relevant
• bibliographical
• latin
• linguistic
• semantic
• explanatory
• additional
• contemporary
• suitable
• excellent
• few
• appropriate
• later
• pencilled
• corresponding
• based
• marginal
• historical
• full
• exhaustive
• interesting
• further
• short
• lengthy
• critical
• scholarly
• thorough
• frequent
• helpful
• editorial
• evaluative
• manual
• handwritten
• occasional
• functional
• detailed
• valuable
• concise
• learned
• profitable
• descriptive
• syntactic
• numerous
• curious
• textual
• audio
• musical
• copious
• extensive
• elaborate
• verbal
• brief
• multiple
• level
• selected