Meaning: This means that when people work together as a team, they are stronger and more likely to succeed than when they work alone.
Choice of Words: The word "together" means in the same place or at the same time. "Stand" means to be in an upright position or to remain in a particular place or situation. "Divided" means to be separated or split into parts. "Fall" means to move downwards or to become less successful. When you put them together, the sentence means that when people are united, they are strong and successful, but when they are divided, they are weak and vulnerable.