Kavyalankarasarasamgraha 5.41

5.41

vācakasyābhidhāyakasya svaśabdasya vṛttirvyāpāro vācyārthapratyāyanam /
vācyasya tvabhidheyasya vyāpāro vācyāntareṇa sahākāṅkṣāsaṃnidhiyogyatāmāhātmyātsaṃsargagamanam /
evaṃvidhaśca yo vācyavācakayorvyāpārastamantareṇāpi prakārāntareṇārthasāmarthyātmanāvagamasvabhāvena yadavagamyate tatparyāyeṇa svakaṇṭhānabhihitamapi sāntareṇa śabdavyāpāreṇāvagamyamānatvāt paryāyoktaṃ vastu /
tena ca svasaṃśleṣavaśena kāvyārtho 'laṅkiyate /
tasyodāharaṇam----

The operation (vṛtti), that is, the function, of the expressive (vācaka) word, which is the denoter, is the conveying of the expressed meaning.
The function of the expressed (vācya) meaning, which is the denoted sense, is entering into connection with another expressed meaning by virtue of expectancy (ākāṅkṣā), proximity (saṃnidhi), and compatibility (yogyatā).
That which is comprehended through an apprehension whose nature is the efficacy of sense (arthasāmarthya) in an alternative manner, even without such an operation of the expressed and expressive—that fact is periphrasis (paryāyokta), because it is comprehended by a mediate verbal operation through circumlocution (paryāya), even though not expressed explicitly.
And by its own integration, it ornaments the poetic meaning.
Its example: