A street musician plays guitar for passers-by, standing against a brick wallA street musician plays guitar for passers-by, standing against a brick wall
A lonely guitar in the forest is waiting for its musicianA lonely guitar in the forest is waiting for its musician
Rock diva. a girl with a guitar. erotic girl with a guitarRock diva. A girl with a guitar. Erotic girl with a guitar
A beautiful girl looks at the photographer over her shoulderA beautiful girl looks at the photographer over her shoulder
Без других, в отдельности. Тот же самый, тожественный. Единый, целостный. Число, цифра и количество 1. Какой-то, некий. Только, исключительно. Какой-нибудь в ряду сходных.