How is national marketing differnces from the global marketing?

A company marketing only within its national boundaries only has to consider domestic competition.
Even if that competition includes companies from foreign markets, it still only has to focus on the competition that exists in its home market.
Products and services are developed for customers in the home market without thought of how the product or service could be used in other markets.
All marketing decisions are made at headquarters.
Where as, Global marketing is a firm's ability to market to almost all countries on the planet.
With extensive reach, the need for a firm's product or services is established.
The global firm retains the capability, reach, knowledge, staff, skills, insights, and expertise to deliver value to customers worldwide.
The firm understands the requirement to service customers locally with global standard solutions or products, and localizes that product as required to maintain an optimal balance of cost, efficiency, customization and localization in a control-customization continuum to best meet local, national and global requirements to position itself against or with competitors, partners, alliances, substitutes and defend against new global and local market entrants per country, region or city.
The firm will price its products appropriately worldwide, nationally and locally, and promote, deliver access and information to its customers im the most cost-effective way.
The firm also needs to understand, research, measure and develop loyalty for its brand and global brand equity (stay on brand) for the long term.

National marketing is done within a nation.
Global marketing is done around the world.
When marketing for a nation, one must consider culture, language, and discretion income.
These factors are essential in developing the4 P's.
National marketing is more detailed whereas global marketing is more standardized.