"What is necessity" Necessity is the need for something, something that must be done to achieve a particular goal,a must do, example, food, shelter and clothing are human necessities. It is something needed in a particular situation, the requirements and actions needed to achieve a purpose. Necessity is requirements.

Necessity in business is what is  needed in business, the essential requirements necessary to set up, maintain and run the business both before, during and after setting it up.  It is also necessary you choose a business that you have the skills to manage .  Eg, commerce and trade , personal services business e.g hairdressing  and others.  Choosing your location depends on the nature of your business either as a retailer or a wholesaler which involves closeness to your would be customers.  Location may not be necessary if you want to do your business online only. You must also have the financial capability to execute your business plans if you must make head way. You must have qualified workers ,  and the essential tools to work with e.g a hair dresser must have the tools to make good hair . Necessity is the need for something, in life and existence, some things are necessary. Necessity means something that must be done, something indispensable, things or actions that is needed in a situation or things required to live a better life.  The necessities of life is the importance of something in a situation of requirements and needs.  The mechanic in a situation of repairs may need tools needed for such. The builder may need  different kinds of tools necessary to build  . Necessity is about requirements, our needs both at home, in business and in our offices, necessity is the things we need to achieve or complete a process.