Tāla, Taal or Tal is the term used in Indian classical music

Indian classical music

The origins of Indian classical music can be found in the Vedas, which are the oldest scriptures in the Hindu tradition. Indian classical music has also been significantly influenced by, or syncretised with, Indian folk music and Persian music. The Samaveda, one of the four Vedas, describes music...

 for the rhythmic pattern of any composition and for the entire subject of rhythm

Rhythm

Rhythm may be generally defined as a "movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions." This general meaning of regular recurrence or pattern in time may be applied to a wide variety of cyclical natural phenomena having a periodicity or...

, roughly corresponding to metre

Metre (music)

Meter or metre is a term that music has inherited from the rhythmic element of poetry where it means the number of lines in a verse, the number of syllables in each line and the arrangement of those syllables as long or short, accented or unaccented...

 in Western music, though closer conceptual equivalents are to be found in other Asian classical systems such as the notion of usul in the theory of Ottoman/Turkish music.

Rhythm in Indian music performs the function of a time counter.