Etiquette – the conduct or procedure required by good breeding or prescribed by authority to be observed in social or official life

He was struggling to get his ticket out. The creased hands shaking, although this had nothing to do with the queue of people that formed behind him.

She tapped the floor impatiently – it was 8:17 and she already was not aware of the amount of caffeine now spinning in her veins. Nonetheless, when he turned behind him with an astonished expression on his tired face, she did but smiled politely.

Jubilee – a period of time proclaimed by the Roman Catholic pope ordinarily every 25 years as a time of special solemnity

“What’s that?”
She tried to read the piece of paper hang on the shut Underground entrance, but it was in Italian.
“Er Giubbileo signo’, er giubbileo…”
Sharon and Jeremiah looked at each other even more confused.