The right logo tells both customers and potential customers a lot about the practice instantly, without much conscious thought on their part. Just as the five-year-old knows that sign means delicious food is near, you want your medical logo design to symbolize what your practice is about.
In the American English, bracket usually refers specifically to the square or box type. In British English, bracket normally refers to the round type, which is called a parenthesis mark in American usage. Parentheses are the curved brackets ( ).
Round brackets can also be used to show that something could be singular or plural, e.g., Remove the pin(s) from the leg. When round brackets are used to insert information at the end of a sentence, the end punctuation of the sentence is placed outside the bracket. All the crew survived (even the dog).