annotation
piece of metadata attached to a document or other entity
abstract
summary of a research document
text annotation
practice and result of adding a note to a text
text formatting
metadata describing variation in how text is to be displayed
scholia
comments inserted in a written work, e.g. in ancient or medieval manuscripts
Java annotation
syntactic metadata for Java source code
region of interest
samples within a data set identified for a particular purpose
tagging
the act of labelling a piece of data or content wth a short string to express some metadata
note
text placed at the bottom of a page or at the end of a chapter
Overlapping markup
history:-the problem of non-hierarchical structural in documents has been recognised since 1988
marginalia
handwritten notes and illustrations in margins of book pages
financial disclosure annotations
element of a financial disclosure statement
program comment
explanatory note in the source code of a computer program, skipped during its compilation or interpretation and without effect on execution
citation needed
wiki tag added to unsourced statements
data annotation
addition of contextual information to existing data