Issue 554: If a person intentionally utters a word, by which they intend a meaning, their prayers will be void, even if the word is meaningless.

Issue 555: If a person utters a word of two or more letters, even if they do not intend a meaning, as an obligatory precaution, they must redo their prayers.

Issue 556: If due to forgetting, a person talks while praying, for instance, if a person absent-mindedly forgets that they are praying and talks while being in prayer, their prayers will not be void.

Issue 557: Coughing and sneezing do not invalidate prayers.

Issue 558: One must avoid greeting others while praying, but to return other's greetings while praying is obligatory, and in doing so, the word "Salaam" must precede other words of greeting, for instance, they must say, "Salaam-un-Alaykum", and not "Alaykum-al-salaam".