Definitions of applicant and plaintiff in limitation law clarify who is included for suits and proceedings. Defines inclusive meanings of applicant, plaintiff, and defendant to include representatives and persons through whom rights or liabilities are derived; distinguishes 'suit' from appeals and applications; and explains 'period of limitation' and 'prescribed period' as the Schedule's prescribed durations and those computed under the Act, while defining key instruments, easement, tort, good faith, and exclusions from 'trustee.'