¹⁴N abundance profiles at four different phases of the evolution of the models with α_ov = 0.2 and log(D_env/cm² s⁻¹) = 0 (blue) and 6 (purple). The top left panel shows the profiles halfway the main sequence (MMS), the top right at the end of the main sequence (TAMS), the bottom left at the beginning of the Hertzsprung gap (HRG), and the bottom right at the onset of helium burning (ZAHeB). The grey lines a (dashed for 0 km/s and dotted for 300 km/s) are from Brinkman (2022).