What is dot in business?

Excuse me, could you please elaborate on the meaning of 'dot' in the context of business? I've encountered this term in several financial discussions but am still hazy about its specific application. Could you provide a concise yet comprehensive explanation? Perhaps you could explain how it's used, what its significance is, and maybe even give an example or two to help me grasp the concept better. Your insight would be greatly appreciated as I'm eager to expand my understanding of this fascinating field.