What is exact meaning of the BUDDHA DHARMA?

What is exact meaning of the BUDDHA DHARMA?
In simple way to understand the meaning of BUDDHA DHARMA is TRUTH.
The Buddha first taught Four Noble TRUTH at Deer 🦌Park, Varanasi.
Then the Buddha taught 84,000 DHARMA TEACHINGS throughout his life.
All those 84000 Dharma Teachings have Truth as their basis.
Because, Buddha showed us right path and right path is way to get happiness. For knowing right path. Buddha taught 84000 Teachings of Dharma.
The Buddha's Buddha Dharma is Truth.
And TRUTH shows the seeds of happiness.
If we realize ultimate Truth, then we will obtain ultimate HAPPINESS.
That is called buddhahood, to be Enlightened and Awake.