Draw a diagram to show the sigmoid growth curve and write the names of the three phases in it

Draw a diagram to show the sigmoid growth curve and write the names of the three phases in it.
OR
What does a sigmoid growth curve represents ?

The three phases of growth are :
(a) Lag phase : Growth is slow in the initial stage.
(b) Exponential period of growth: It is second phase of maximum growth.
(d) Stationary phase : When the nutrients become limiting, growth slows down.