🚪🔩↪️

#hinge #door hinge #literal hinge #pivot #swing #open close

🟢👋🔴

#start stop #beginning end #process lifecycle #interaction points #green light red light #open close

☀️...🌙

#beginning and end #full cycle #start to finish #welcome dawn #goodbye dusk #alpha omega #open close

🔓↔️🔒

#open close #lock unlock #toggle state #open closed #oxymoron #open closs typo