What are the main areas of strategic management consulting? What is the basic idea that strategic consultation should follow?

The main areas of strategic management consulting:

Marketing strategy, internationalization strategy, capital operation strategy, quality strategy, R&D strategy, human resources strategy, brand strategy, corporate culture strategy, production and operation strategy, financial strategy, R&D strategy and other fields.

The basic idea should be:

In line with reality, combined with the future, overall consideration and sustainable development.