announces that he could abandon sins.

announces that he could be protected against sins.

announces that he could denigrate a person or get sick.

announces that he could repent after a sin.

announces that he might not be able to realize a desire.

announces that it could mean a reminder to honor a promise made ??before towards Allah The Almighty. Indeed, Allah The Almighty said “"So eat and drink and cool (thine) eye. And if thou dost see any man, say, ‘I have vowed a fast to (Allah) Most Gracious, and this day will I enter into no talk with any human being’", (Mariam, 26). He could also refrain from speaking.

announces that it could mean end of doubt and learning the Holy Quran. Indeed, Allah The Almighty said “Ramadan is the (month) in which was sent down the Qur-an, as a guide to mankind, also Clear (Signs) for guidance and judgment (between right and wrong). So every one of you who is present (at his home) during that month should spend it in fasting, but if any one is ill, or on a journey, the prescribed period (should be made up) by days later. Allah intends every facility for you; He does not want to put you to difficulties. (He wants you) to complete the prescribed period, and to glorify Him in that He has guided you; and perchance ye shall be grateful.”, (Al-Baqara, 185). 

announces that it could mean good healing during the current year.

announces that it could mean the non-payment of a debt while he can do it.