Unable to locate package

I just downloaded Parrot OS Security edition, and I’ve been having problems with upgrading and installing on Parrot OS Security edition
For Example:
#apt install term
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
E: Unable to locate package term
Note: Im using a root user, there’s no need for the command sudo.

from terminal
sudo parrot-upgrade to upgrade
whats term ?