libncurses The ncurses shared libraries
libncurses-dev Development environment
libncurses-dbg Debugging libraries
ncurses-bin Various small applications (clear, reset, tic, etc.)
ncurses-term All the rest of the terminal entries
All debian systems should have libncurses and ncurses-bin installed.
The -dev and -dbg packages are only useful for developers wishing
to compile programs which use ncurses. ncurses-term is the full contents
of the terminfo database, and includes many strange and obsolete terminals.