Improve variables naming

[alex1ozr]

Refactor variable naming throughout the codebase to align with industry best practices and clean code principles. This includes using meaningful, self-documenting names, maintaining consistent naming conventions, eliminating unnecessary abbreviations, and ensuring variables clearly communicate their purpose and type.

Goals:

• Replace single-letter or cryptic variable names with descriptive identifiers
• Follow established naming conventions (camelCase for local variables, PascalCase for properties/methods in C#)
• Avoid ambiguous abbreviations while keeping names concise
• Ensure boolean variables use clear prefixes (is, has, can, should)
• Use domain-specific terminology where appropriate

Expected outcome:
Improved code readability and maintainability with variables that clearly express intent without requiring additional comments.