bijective or injective
Involving one attacker and one defender.
Involving direct communication or competition between two people.
A contest involving only one player on each side, especially of an activity often involving teams.
The people in general, regardless of membership of any particular group.
A particular group or demographic to be targeted.
Able to be seen or known by everyone; open to general view, happening without concealment.
Officially representing the community; carried out or funded by the state on behalf of the community.
Traded publicly via a stock market.
Open to all members of a community; especially, provided by national or local authorities and supported by money from taxes.
Pertaining to the people as a whole (as opposed to a private group); concerning the whole country, community etc.
Accessible to the program in general, not only to the class or any subclasses.