ritual instinct
The human instinct for "activities involving gestures, words, actions, or objects, performed according to a set sequence." --wikipedia.
Megan Markle and Prince Harry
'Icons' in Time's list of 100 most influential people. Their social impact (public) and personal calibration (paid-subscriber access).
e-commerce
"electronically buying or selling of products on online services or over the Internet" --wikipedia
Celtic music
"styles vary considerably to include everything from 'trad' (traditional) music to a wide range of hybrids." --wikipedia
Church in a Chevy
Country song by Jordan Davis. Video embedded.