Found:

Sense

SEMANTICS: the sense (German: Sinn) of an expression is, according to Frege (1892), the way in which its reference (German: Bedeutung) is presented. EXAMPLE: the sentences (i) and (ii) both have the same truth value (i.e. the same reference), but differ in sense.

(i)  The Morning Star is the Evening Star
(ii) The Morning Star is the Morning Star