Other girls are more cheerful, but this one is also goodOther girls are more cheerful, but this one is also good
Women's secrets. if one woman knows the secret, they know it Women's secrets. If one woman knows the secret, they know it
Photo of a keyboard with one mysterious symbol in the form of a heartPhoto of a keyboard with one mysterious symbol in the form of a heart
An amazing bride and a symbol of innocence in one photoAn amazing bride and a symbol of innocence in one photo
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.