निम्नलिखित में से कौन मानव चिंतन या विचार से सबसे घनिष्ठ रूप से और द्विदिशीय (bidirectionally) रूप से संबंधित है?

A company labels its frozen snacks '75% fat-free' rather than 'contains 25% fat' so that people will view the product more positively. This cognitive and linguistic strategy is an example of:

The quality of language in which words are used as symbols for objects, events, or ideas is called _______.