1. Pillars of Salat--Arkan As Salat
The pillars of the salat are those things that are necessary for the validation of the salat. If any pillar is left out due to ignorance, forgetfulness, or deliberate omission the Salat becomes invalid.
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Arkan As Salat
Coming up from the prostration position
Sitting calmly between the two prostrations
Being tranquil and calm during every pillar position
The pillars should be done in order (e.g. rukoo before sujood etc.)
The last tashahud (at-tahiyaat) [In fajr the last is also the first]
Sitting during the last tashahud
Sending the salaat and salaam upon the nabi salallaahu ‘alayhi wasalam (saying ‘Allaahumma salli ‘ala Muhammad ….) in the last tashahud
The two tasleems (saying ‘assalaamu ‘alaykum wa rahmatullaah to the right and then to the left)
The arkan (pillars) of Salat are 14.
They are:
Standing (An able person must stand while praying)
Takbiratul Ihraam [ the opening takbeer (i.e. the first Allaahu akbar)]
The recitation of Al-faatihah
The rukoo’ (the bowing position)
Rising up from the rukoo
Sujud on the 7 bones (1. forehead & nose, 2&3. both palms, 4&5. both knees,  6&7. both feet – all must touch the floor during prostration)
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