Art eExhibition visit in lLast wWeek Art Exhibition Last Week

Title capitalization rules. Even better: Last Week's Art Exhibition

The exhibition I visited iwas called “Language Africana tThat mMakes Brazil.” I thought it was very interesting because morethere are many words that isare used every day (and not?) and we don’t know where ithey comes from. The exhibition I visited was called “Language Africana That Makes Brazil.” I thought it was very interesting because there are many words that are used every day (and not?) and we don’t know where they come from.

The exhibition title follows title capitalizaton rules. I don't understand your second sentence, but I edited it to mean that the exhibition illustrated that there are many common words in your language where the word origins are not clear. However, I still didn't understand the "and not" part.

TOn the day I went had more, there were a lot of black people, and I realized the importance of representation is important in art, f. For the black people to feel like they belong. On the day I went, there were a lot of black people, and I realized the importance of representation in art. For the black people to feel like they belong.

I would use "a lot" instead of "more," because using "more" begs the question: more than what?