Percussion instrument-Tabla

Tali -

Tali is the pattern of clapping.  Each tal is characterized by a particular pattern and number of claps.

Khali -

Khali is the wave of the hands.  These have a characteristic relationship to the claps.

Vibhag (Ang) -

Vibhag is the measure.  Each clap or wave specifies a particular section or measure.  These measures may be of any number of beats, yet most commonly 2, 3, 4, or 5 beats are used.

Matra -

Matra is the beat.  It may be subdivided if required.

Bol -

Bol is the mnemonic system where each stroke of the drum has a syllable attached to it.  These syllables are known as bol.  It is common to consider the bol to be synonymous to the stroke itself.

Theka -

Theka is a conventionally established pattern of bols and vibhag (tali, khali) which define the tal.

Lay -

Laya is the tempo.  The tempo may be either slow (vilambit), medium (madhya), or fast (drut).  Additionally ultra-slow may be referred to as ati-vilambit or ultra-fast may be referred to as ati-drut.

Sam -

Sam is the biginning of the cycle.  The first beat of any cycle is usually stressed.

Avartan -

Avartan is the basic cycle.