Translation of "letsa" into English

To transfer program execution to some section of code (usually a subroutine) while saving the necessary information to allow execution to resume at the calling point when the called section has completed execution. When a subroutine call occurs, one or more values (known as arguments or parameters) are often passed to the subroutine, which can then use and sometimes modify these values.

To enter numbers on a telephone or mobile device in order to make a phone call.

Of, pertaining to, or being a connection that uses the public switched telephone network rather than a dedicated circuit or some other type of private network.