Are Consciousness practices, meditation, or the idea of Conscuoness an invention of Buddhism? No. These predate Buddhism. These concepts evolved in various parts of the world and at different times. Keep in mind, there is no acceptable definition or consensus about what the word “meditation” means. Read more about the meaning of meditation here. I suggest that you focus on what you are practicing ex. You are practicing mindfulness, forgiveness, kindness, imagery, breathing, energy movement, etc. Read more on how meditation predates Buddhism here
What is consciousness? will be answered in the future. Come to the events, to experience consciousness.