“48-point” can mean:

• Typography: a font size of 48 points (very large text, typically used for headlines, posters, or signage).
• Scoring / measurement: a result or margin involving 48 points (e.g., a 48-point lead in a game or rating system).
• Hunting (rare): a “48-point buck” refers to a deer with 48 antler points.

In general, it means something measured, sized, or scored at forty-eight points, depending on context.