Worship: 2 types and 3 ways

द्विधा मत्पूजनं ज्ञेयं बाह्यमाभ्यंतरं तथा |
वाङ्मनःकायभेदाच्च त्रिधा मद्भजनं विदुः || 47 ||

My worship should be known to be of two kinds, external and internal,
(and is) known to be (done in) three ways – by speech, by mind and by
the body.