The Execute button symbol is a right-pointing triangle. SQL Server Management Studio restores the database. In addition to your .MDF file, you will have an accompanying .LDF. The .LDF contains ...

The OK symbol joins the bowl haircut sported by mass murderer Dylann Roof, the "Moon Man" meme, a burning cross, Ku Klux Klan robes and the Nazi swastika in the database that was launched in 2000.