Step 1: Understand the concept of management levels.
Management in an organization is typically divided into three levels: top management, middle management, and lower management. Each level has distinct responsibilities.
Step 2: Evaluate the options.
- Top-level management includes executives who set overall organizational goals and strategies.
- Middle management acts as a bridge between top-level management and lower-level management, overseeing daily operations.
- Lower-level management directly supervises employees and ensures that tasks are completed.
Step 3: Conclude.
The standard structure consists of three levels of management.
Final Answer:
\[
\boxed{\text{3}}
\]