Correct Answer: Portable

Solution : The correct option is the third option.

The term portable refers to something that can be easily transported or carried from one place to another due to its manageable size or lightweight nature. It often implies convenience and ease of mobility.

The meanings of the other options are:

• Robust means strong, sturdy, or resilient, usually indicating something well-built or powerful.
• Stagnant refers to something inactive, not moving or developing, often describing a lack of progress or growth.
• Fragile describes something delicate or easily broken, lacking robustness or durability, and requiring careful handling.