The English word and the Arabic word can be translated, directly, as each other.
In either language, however, this “simple” word has an enormous number of different meanings, nuances, layers…
(photo is copyright Doug Spencer. It shows Lake Wanaka, South Island, New Zealand, at 7.02 pm on 20 March 2019)
—
Bill Evans’ Peace Piece is, I think, one of the most beautiful piano solos ever recorded.
Its author’s version, unrehearsed, was recorded on December 15 1958.
It arose out of Evans’ improvising upon Leonard Bernstein’s Some Other Time.
Peace Piece surfaced the next year, on the album Everybody Digs Bill Evans.
With, I think, just the one exception, late in his life, Evans never played it on stage; Peace Piece, he said, was “a moment”, and should remain just that.
You can discover more here, in an enlightening article by Frances Wilson, and more again in Wikipedia.
Kaira is the name of a West African traditional song which is very popular in Mali and Guinea.
Via Mali’s most celebrated kora virtuoso Kaira has become a “standard” for instrumentalists to explore and improvise upon.
Toumani Diabate has recorded many different versions, variously alone, in duo or ensemble, extended, or brief.
He delivered this sublime, short, solo version in 2006, for a Dutch television broadcast.