A general idea or understanding of something: the concept of inertia; the concept of free will. See Synonyms at idea. 2. A plan or original idea: The original concept was for a building with 12 floors. 3. A unifying idea or theme, especially for a product or service: a new restaurant concept.
Upper lip twitching is caused by a sudden involuntary contraction of the muscle or muscle fibers in the lips or as a result of direct stimulation or injury, according to Health Hype. Lip twitches also result from tics, spasms and tremors. They are usually benign, but sometimes indicate an underlying condition.
Acne and pimple. Going on with swollen top lip causes, having acne or pimple can also be a cause for swollen lip, both bottom and upper, especially if you have a cystic acne which tend to be bigger and painful can cause upper or top lip pain and swelling. Acne and lip pimples tend to cause swelling on the side with the people.