目 mù means eye, and you will see it used in idioms, however in colloqiual speech people mostly use 眼 yǎn to refer to eyes.
目 is a very productive component which provides the meaning of eye/eyesight in meaning characters.
In the character story there is a video with an interacive transcript which shows the history of 目.
Once you know the components the meaning should be obvious!
相 is a phonetic component in some important characters (想, 箱 and 湘). We will have a separate post on this character.
見 is a another very important component which will have it's own post.
目 can mean a type of something for example catalogue, 節目. Categories that the eyes can perceive
Sometimes the eye has kept it's horizontal shape 德 and 蔑 but it's fine to learn it as a net