handle – n. a nickname
alias – n. another name a person sometimes uses
resident – n. someone who lives in an area for some length of time
monitor – v. to watch, observe or check over something
institution – n. an established organization
commercial – adj. related to the buying and selling of goods and services
practical – adj. relating to what is real rather than what is possible or imagined
implement – v. to begin something or make it active