EDWARD EMPLOYEE $("$EE$")$ entered into an employment agreement with E$-$SYSTEMS, INC. $("$E$").$ The agreement contained the following language: "During the term of his employment with $E,$ and for a period of $12$ months after the termination of such employment, EE will not $($without the express written consent of E$)$ directly or indirectly: $($a$)$ OWN; $($b$)$ OPERATE; $($c$)$ MANAGE; $($d$)$ CONTRACTUALLY CONSULT WITH; $($e$)$ CONTROL; $($f$)$ PARTICIPATE IN THE MANAGEMENT OR CONTROL OF; $($g$)$ BE EMPLOYED $($in a position comparable to that occupied by EE during his employment with E$)$ BY; OR $($h$)$ MAINTAIN OR CONTINUE ANY OWNERSHIP INTEREST IN any enterprise that competes with $E.$ This restriction applies regardless of whether the termination is voluntary or involuntary or whether it is initiated by EE or E$."$ WHAT IS THE NAME THAT EXECUTIVES AND ATTORNEYS FREQUENTLY USE TO DESCRIBE THIS KIND OF CLAUSE?