\frame{...}
The \frame command puts a rectangular frame around the object specified in the argument. The reference point is the bottom left corner of the frame. No extra space is put between the frame and the object.
Prikaz \frame pravouhly ramecek kolem objektu v argumentu. Referencni bod je levy spodni roh ramecku. Mezi objekt a ramecek neni vkladana zadna zvlastni mezera.