engages in a terrorist activity

with reference to sections 2 and 3, includes-

a)the commission, performance or carrying out of;
b)the facilitation of, participation or assistance in, or contribution to the commission, performance or carrying out of;
c)the performance of an act in preparation for or planning of; or
d)instructing, directly or indirectly, the-
i)commission, performance, carrying out of;
ii)facilitation of, participation or assistance in, or contribution to the commission, performance or carrying out of; or
iii)performance of an act in preparation for or planning of,

a terrorist activity, and the expressions 'to engage in a terrorist activity', 'engaging in a terrorist activity' and 'engagement in a terrorist activity' shall be construed accordingly;