This paper deals with problems related to Business Process Modeling Linguistic Approach – Problems of Business Strategy Design. The main goal of that paper is to prepare a proposal closely related to business strategy design in form of text written in a natural language and in form of linguistic sets, which contain appropriate linguistic variables regulated by rules of business process ontology principles and linguistic approach of business process modeling. A description of problems related to Balanced Scorecard (BSC) Business Strategy Design and to business process management and modeling – linguistic approach creates the paper's first part, while The Principle Business Process Linguistic Equation - PBPL Equation existence – together with assumptions, terms and principles related to its existence and functionality play a role of great importance there. Answering the question: how the principle business process linguistic equation may be applied in solution of business strategy design and business process management problems - business process ontology aspects?" It is a subject of the paper's second part. However, the problems of related works and contributions of the paper's content are considered to be the paper's final chapters as well.