General term for a physical tool or device used to perform a task.
With this tool, you can easily tighten the screw.
Computing sense: a software application or utility that assists in development, analysis, or other tasks.
This tool is useful for image editing.
This app uses an image editing tool to create designs.
The company introduced a new management tool.
The engineers developed a tool for improving efficiency.
Social media is used as a tool for communication.
器具 refers to more formal or mechanical apparatus/equipment, while ツール is a broader, more casual loanword for any kind of tool.
アプリ (application) is typically a standalone program used directly by end users, while ツール often refers to a utility that supports another process or workflow.
用具 emphasizes equipment used for a specific purpose (like sports or crafts), whereas ツール is a general loanword covering tools of any kind, including software.
counter for small objects; counter for pieces · counter for military units · individual; one person · counter for years of age difference; counter for school years
Loanword from English 'tool'.