PNG, image file storage format, PNG format pictures are widely used in web design and graphic design due to their high fidelity, transparency and small file size.

PSD is a special format for Photoshop, Adobe's graphic design software. PSD files can be stored in RGB or CMYK mode. You can also customize the number of colors and store them. You can also save Photoshop layers, channels, and paths. It is currently the only format that can support all image color modes, but it is bulky and can be used universally in most graphic software (such as cd ai ae, etc.). It can also be used in some other types of editing software, such as the office series. But software like browsers do not support it. Its functionality is slightly stronger.

GIF (Graphics Interchange Format) is an image file format developed by CompuServe in 1987. Another feature of the GIF format is that it can store multiple color images in one GIF file. If the multiple image data stored in one file are read out one by one and displayed on the screen, it can form the simplest animation.

The fla file is usually called the source file. We can open, edit and save it in Flash. Its status in Flash is similar to that of the PSD file in Photoshop. All our original The materials are all saved in fla files, which are large in size because they contain all the original information required

LOGO is the English term for logo or trademark, which serves to identify and promote the company that owns the logo. , through an image logo, consumers can remember the company's main body and brand culture. Logos on the Internet are mainly graphic signs used by various websites to link to other websites, representing a website or a section of the website.