つか使tsukaいiみち道michiつか使tsukaいみちimichi
1.
The intended way or approach in which something can be utilized or applied, often reflecting its functional or practical use.
2.
A specific aim or goal associated with the utilization of an item or resource, indicating how it is meant to serve a particular need or purpose.
3.
A situation where the value or application of an object is considered, particularly when determining its suitability for a given task or context.
Example:
鉄は使い道の多い金ぞくだ。