skill
The word "skill" can be used as both a countable and an uncountable noun. When talking about general ability or the quality of being skilled, it is usually uncountable (e.g., "It takes great skill to play the violin"). When referring to specific abilities or learned techniques, it is usually countable and often used in the plural form "skills" (e.g., "She has excellent computer skills").
💬Casual Conversation
The new hire can't even run a basic pivot table. He's totally out of his depth.
He just needs to level up his technical skill. I'll touch base with him.
Meanings
The ability to do something well, usually gained through training or experience.
"She has the technical skill required to repair the complex machinery."
An expertise or a particular capacity for performing a specific task.
"Communication skills are essential for effective leadership."