The awakened one.
In special an indication of the founder of buddhism, the prince Gautama Siddharta, also called
Shakyamuni, who left all worldly affairs aside, to go the path of self-awareness.
There is a number of other Buddhas specified, f.i.:
Avalokitesvara/Chenrezig and
Medicine Buddha; furthermore there are some designations for the awakened one, f.i.:
Bhaishjaye,
Samungate,
Samyaksham,
Tathagata.
Bodhi is then what the Buddha has accomplished.
See also
Buddhas footprint.