Leading can best be defined as:

a$.$ Articulating a clear vision and energizing and enabling organizational members so that they understand the part they play in achieving organizational goals.

b$.$ The process by which managers make specific organizing choices that result in a particular kind of organizational structure.

c$.$ Expanding a company's business operations into a new industry in order to produce new kinds of valuable goods or services.

d$.$ Splitting the work to be performed into particular tasks and assigning tasks to individual workers.