Derivative logical meanings always retain some semantic ties with the primary meanings and are strongly associated with them. Most of the derivative logical meanings fixed in dictionaries are usually shown with the words they are connected with and are therefore considered bound logical meanings. The primary and derivative meanings are sometimes called free and bound meanings respectively, though some of the derivative meanings are not bound in present-day English.
In actual speech polysemy vanishes if the word is not used deliberately for certain stylistic purposes. A context generally materializes one definite meaning. That is why we state that polysemy vanishes in speech, or lan- guage-in-action.
The word "flag" is used in its primary meaning when it appears in combination with the verb "to hoist" and in its derivative (or contextual) meaning in the combination "was hostile to".