An image histogram is a type of histogram that acts as a graphical representation of the tonal distribution in a digital image.

Black White with Yellow Filter Simulate black and white film exposure using a yellow filter. This has the most natural tonal correction, and improves contrast. Ideal for landscapes.

And it's important to know Igbo is a tonal language, and so they'll say the word igwe and igwe same spelling, one means sky or heaven, and one means bicycle or iron.

Auto Levels This option maximizes the tonal range in the Red, Green, and Blue channels. It searches the image shadow and highlight limit values and adjusts the Red, Green, and Blue channels to a full histogram range.