If a person turns only his face away from qibla and his body remains facing qibla, in the event that he turns his neck to such an extent that he can see a little of what is behind him, the rule of turning away from qibla – which was mentioned earlier – applies. However, if his turning is not to this extent but is commonly considered a lot, then based on obligatory precaution, he must perform his prayer again.
If he turns his neck a little, his prayer does not become invalid, although this action is disapproved. Sixth: one intentionally speaks, even if what he says is only one letter, as long as it conveys a meaning; for example, he says ‘ قِ’ (qi), which in Arabic means ‘keep safe’. The same applies if what he says only means something in a particular context; for example, he says ‘ باء ’ (bāʾ) in to someone who asks what the second letter of the Arabic alphabet is.
In the event that what he intentionally says conveys no meaning at all but consists of two or more letters, then based on obligatory precaution, it also invalidates prayers.