If your Dock gets cluttered with minimized windows on the right side, then you may want to switch to let windows minimize into the application icon instead. You can always find minimized windows in the Dock or the Window menu. You can also start using Tabs to reduce the number of windows on the screen.
If you have the Dock set to automatically hide, then you may not like the default amount of time it takes for the Dock to appear, and the speed of the animation. You can customize these by using the Terminal to change two hidden macOS preferences. You can delay the appearance of the Dock so that you can access other items at the bottom of your screen. You can also speed up or eliminate the animation if you find it is too slow for you.
The Dock has a new section in macOS Mojave that shows recently running apps. It will also show apps that are running that are not in the permanent icons sections of the Dock. You can remove items from this new section temporarily. You can also turn this feature off.
There are many settings on a Mac that determine how the Dock appears. You can change the size, hide it when not needed, and even move it to the left or right sides of the screen. You can change these settings in System Preferences, or by Control+clicking on the divider line in the Dock.
You can customize the Dock and Menu Bar to automatically hide unless you need them. This allows you to use every pixel of your screen for apps. You can also take most apps into full screen mode which will get rid of the menu bar and Dock for just that one app.
If you use the Activity Monitor app to check your CPU, memory, energy or disk use, you can hide the main app window and use the Dock icon to keep track of use. You can have the icon show CPU, disk or network usage in a little graph that updates continuously.
Normally, the screen saver starts after a period of inactivity, or when you use a Hot Corner. But you can also create a button in the Dock to start your screen saver with a click. This can be a handy way to quickly lock your Mac too.
The Dock is one of the primary elements of the macOS user interface. You can use it to launch apps. You can customize which apps appear in the Dock and in what order the appear. You can also play files and folders on the right side of the Dock. You've got several preferences you can set to change the Dock's appearance.
In macOS you have the option to have the Dock always be present, or to have it automatically hide itself until the cursor is at the bottom of the screen. Both options have their advantages and disadvantages.
The right side of the Dock can be used for easy access to files and folders. By putting aliases to folders on the right side, you can have access to the files in them without needing to open a Finder window. You can set these folders to appear in three different formats. It is important to understand that these are shortcuts to the files, and not the files themselves.
It is important to understand that the app icons shown in the Dock are not the apps themselves, but simply shortcuts to the apps. You can easily remove or add shortcuts, but this is not the same as removing or adding apps to your Mac. You can also access special functions of these apps through the Dock, and use these shortcuts as drop targets for documents.
Most Mac users use the Dock many times per day. So it would be worth the time to optimize your Dock. Add your most commonly used apps and remove others. Arrange your apps to make them easy to find. Add folders and files to the right side and set them to appear the way you want. Change your Dock settings to get the most from it.
Learn how to use and customize Stacks, a feature of the Mac OS X Dock. You can quickly access your files or applications through Stacks. They can be configured to show grid and list views. You can create custom stacks to hold specific items.