Is what "black" means consistent across different groups?
No
Is it used everywhere?
No
Why not?
derogatory, outdated, reductive or otherwise unrepresentative label
What is a basic definition?
persons who are perceived to be dark-skinned
In comparison to others?
Yes
Where is the term related to slaves?
North America
Does it indicate skin color there?
not necessarily
Where aren't mixed race people described as black?
South Pacific regions
What is a societal construct for being black?
societal variables affect classification as much as skin color
Where did European colonists use the word black?
South Pacific regions