The Vedanta Sutras of Badarayana, Commentary by Sankara (SBE38), tr. by George Thibaut [1896] at sacred-texts.com

62. And on account of the teaching.

As the Stotra and the other members of the sacrifice on which the meditations under discussion rest are taught in the three Vedas, so also the meditations resting on them. The meaning of this remark is that also as far as the mode of information is concerned there is no difference between the members of a sacrificial act and the meditations referring to them.