Why is there more than one resonance point of a tuning fork of a given frequency?

A tuning fork produces multiple resonance points due to its complex vibrational modes. When struck, it vibrates in various patterns, including fundamental and harmonic frequencies, leading to multiple resonance frequencies. These points correspond to different standing wave patterns in the fork, which can be influenced by factors like material properties and geometry. Consequently, while a tuning fork is designed for a specific frequency, its physical characteristics allow it to resonate at multiple frequencies.