Cape, Ruana, Poncho - what's the difference?

Cape, Ruana, Poncho - what's the difference? by christinejonson featuring Burberry

Yves Saint Laurent outerwear, $11,535 / Valentino blue cape / Valentino blue cape / Burberry outerwear / Burberry outerwear, $1,995 / Tomas Maier outerwear / Madeleine Thompson wrap cape / Rag bone outerwear / Blue cape / Cashmere poncho, $260 / Yellow cape, $47 / Apt 9 outerwear