|c, n||Count of some number of items||cEmployees, nTags|
|a, arr||Array of items||aNames, asNames|
|i||Index into an array||aCandidates[iCandidate]|
|r, c||Row or Column of a table or DB||cField|
|g_, m_||Scope level: global, member var||g_sUniversityName|
In the above table you can see that every kind of variable is given a name with a small letter on the start. The first is a Boolean value so its name is mentioned as bUnsubscribed, the letter ‘b’ shows that it is a Boolean value. The other variable names are easy to identify as well like sEmpName indicates that it is a string variable because it starts with a lover level letters.