A vertical structure is also known as a centralized organization. In business, it relies on top level managers to run smoothly.

It is vertical

vertical organization

hierarchically structured organization where all management activities are controlled by a centralized management staff. This traditional type of organization often develops strong bureaucratic control over all organizational activities.

horizantal communication is a communication which appears peek to peek in an organization

A formatted task organization can either be vertical or horizontal in nature. A vertical application will have a very distinct chain of command whereas a horizontal layout will have a greater dissemination of power.