As follows The "Word Thoughts" Blog will try and shed some light on this short and somewhat inconsequential word, which really does and can affect our everyday lives.
Beat: To dash against, the rain beats against the trees
Beat: to strike violently or forcefully and repeatedly.
Channing Tatum in the movie "Fight"
Beat: to throb or pulsate: his heart began to beat faster
Beat: to make a constant rhythmic sound, as in playing the drums.
Beat: Stir vigorously: beat the egg whites well
The Whispers - And The Beat goes On (1980)