Management as a process helps to optimize scarce resources.
Some characteristics of management are :
management is decision making
Management is an interdisciplinary approach
management is tangible
management is a social process
management is universal
management is an organized activity
management is aligned with organizational objectives
management optimizes constraining resources
Management works with and through people
management is a science as well as an art
management is a system of authority
management is dynamic
management principles are relative and not absolute
management is a profession
Management is a strategic function

There are different types of management
Strategic, operation, human resource, financial and accounting, Information technology, programme, project, quality, change, risk, procurement, supply chain, marketing, research and development, engineering, innovation, facility.

Bhattacharyya has categorized the definitions of management into different approaches according to their different dimensions
There are three main types of managers:
general, functional, and frontline

The purpose of management is to make individual weaknesses irrelevant and help to promote teamwork.
Skills are overt responses and controlled stimulation. It can be categorized as a generic, technical, entry-level, or advanced
There are four general types of skills;
Technical, supervisory, interpersonal, and general business

Mintzberg developed a list of roles of managers that he grouped in three categories: interpersonal, information and decision roles

The functions of management relate to those activities that help in value addition and achieving the goals of the organization.