\r{a}
The command \r{a} is used to place a ring accent over the letter 'a'. This is commonly used in typesetting Scandinavian languages, where the ring accent is a diacritical mark that appears above certain letters.
The letter 'a' with a ring accent, used in Scandinavian languages like Swedish and Danish.
\r{a}
The name 'Håkon' with a ring accent over the 'a', a common name in Norway.
\text{H\r{a}kon}
The word 'Smörgåsbord' with ring accents over 'o' and 'a', a Swedish word for a buffet-style meal.
\text{Sm\r{o}rg\r{a}sbord}