I'm not yet sure yet what 'eldery' is. It has a shifting dimension . Once it was anyone who had left school , then it was anyone with children , then anyone whose children left home , then anyone who reached retirement , then it was anyone who started groaning getting out of bed , then it was anyone who got addressed as Mam /Sir . Where to from here ??? Anyone who gets a birthday greeting from the king ??
Indication is when you put your indicators on while driving. These days it's just a click, but I remember when you had to wave your arm out of the car window.
Th Rough is a place on a golf course you don't want your ball to end up in. It makes for a difficult shot . Many golfers have lost their cool there and thrown a wobbly!!