Ramaḍan is the month in which the Quran was revealed as a guide for humanity with clear proofs of guidance and the standard to distinguish between right and wrong. So whoever is present this month, let them fast. .. Quran 2:185

Following are eight basic aspects of fasting in Ramadan.

1. Strengthening Faith: 
Ramadan is a time for us to strengthen our faith by focusing on our relationship with God and the teachings of the Quran.

2. Self-Discipline: 
Fasting teaches self-control, self-restraint, and self-discipline. It helps us develop the ability to resist temptation and control our desires.

3. Spiritual Purification: 
Fasting is a means of spiritual purification, as it helps us rid ourselves of negative thoughts and behaviors.

4. Empathy and Compassion: 
Fasting helps us develop empathy and compassion for those who are less fortunate and in need.

5. Gratitude: 
Fasting helps us develop gratitude for the blessings in our lives, such as food, water, and shelter.

6. Social Cohesion: 
Ramadan brings families and communities together as we share meals and break our fasts.

7. Generosity and Charity: 
Ramadan encourages us to be generous and charitable, as it is a time to give to those in need and build a strong community.

8. Health Benefits: 
Fasting has been shown to have several health benefits and prevent chronic diseases.

Hadith about basics:

It was narrated from Abu Suhail, from his father, that he heard Talhah bin 'Ubaidullah say: "A man from the people of Najd came to the Messenger of Allah (ﷺ) with unkempt hair. We could hear him talking loudly but could not understand what he was saying until he came closer. He was asking about Islam.

The Messenger of Allah (ﷺ) said to him: 'Five prayers each day and night.' He said: 'Do I have to do anything else' He said: 'No, unless you do it voluntarily.' He said: 'And fasting the month of Ramadan. He said: 'Do I have to do anything else?' He said: 'No, unless you do it voluntarily'. And the Messenger of Allah (ﷺ) mentioned Zakah to him, and he said: 'Do I have to do anything else?' He said: 'No, unless you do it voluntarily.' The man left saying: 'By Allah, I will not do any more than this or any less.'

The Messenger of Allah (ﷺ) said: 'He will achieve salvation if he is speaking the truth.'"

Sunan an-Nasai 458 (Book 5, Hadith 11) #15066