Depending on the context, the word 'por' in Spanish means: by, around, through, for, on behalf of, per.
The meaning of the Spanish word supuesto is "so-called." Do not confuse it with the expression "por supuesto," which means "of couse."
por
That is Spanish, meaning "for example".
please = por favor
The Spanish for "Portugese" is "Portugues" (por- too-GUESS)
por favor
it means "For example"
"Por supuesto" or "seguro"
The word in this case would be por."Este PowerPoint está hecho por mí"
Why are you sad? Por que usted esta triste?
You is not a Spanish word. The rest of the statement is Jailed you/him/them for [being] ugly
Verdadero is a Spanish word meaning true. Viejo is a Spanish word meaning old. Vivo is a Spanish word meaning alive.