Font family is a group of fonts. It could have 30 specific Helvetica fonts. Different from typeface in that you’re picking specific ones. It’s an implementation versus an idea.
These words all have slightly different meanings in different contexts and they’re totally muddled in common usage.
Typeface is a pattern for glyphs, like Helvetica.
Font is more specific. 12 point Helvetica Bold.
Font family is a group of fonts. It could have 30 specific Helvetica fonts. Different from typeface in that you’re picking specific ones. It’s an implementation versus an idea.
These words all have slightly different meanings in different contexts and they’re totally muddled in common usage.