Therein they shall have their sustenance (every) morning and evening.
Therein they shall have their sustenance (every) morning and evening." " This is the Garden (Paradise) which We shall cause those of Our servants to inherit who are pious." Commentary: Through the preceding verse the word /jannat/ (garden, Paradise) was used in its singular form: "…These shall enter Paradise…", while in this verse the plural form of the term, /jannat/, is used: "Gardens of Eternity…". This shows that the garden of the people of Heaven is a collection of numerous gardens.
This sense may be for the sake that every one of the people of Heaven has four gardens. This matter has been pointed out in Sura Ar-Rahman, No. 55, verses 46 and 62, where the Qur'an says: "And for him who fears (to stand before) his Lord are two gardens", "And besides these two are…