Mounting takes place before a computer can use any kind of storage device (such as a hard drive, CD-ROM, or network share). The user or their operating system must make it accessible through the computer’s file system. A user can only access files on mounted media ???From Wikipedia.
From the above statement only a geek can understand what a mount point is and for the people who are new to Linux/Unix cannot understand it in one shot and they have to do a bit of research on it to understand. This post is for new people who are just going to learn disk management and Linux. All the advanced users can ignore this post if you people know the meaning of mount point in Linux.
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