Parameter 𝜅 = 𝛥 ⋅ 𝜏 𝑐 is introduced, and three cases are given: fast, 𝛥 = 1, 𝜏 𝑐 = 0.2, 𝜅 = 0.2, mid, 𝛥 = 1, 𝜏 𝑐 = 1, 𝜅 = 1, and slow 𝛥 = 1, 𝜏 𝑐 = 10, 𝜅 = 10. The absorption lineshapes are given by Tokmakoff as in the following plot (Fig. ). Of this profile, we discussed in detail in the article "Kubo Lineshape and its Fitted q-Gaussian Tsallis Function", in 2024 ijSciences. It has been shown that properly fitted q-Gaussian functions can be proposed for the Kubo lineshape, which is the Fourier transform of Kubo stochastic time-correlation function. As already told in the introduction, the value of the q-parameter turns out to the related to the time scale of dynamics (fast q=2, mid q=1.4 and slow q=1). The q-Gaussian can provide an estimation of the process modulation.