UML modelling: Let usconsider the following Learning ManagementSystem$($LMS$)$description: The LMS allows administrators to create, modify and delete courses. Learnerscansearchcourse catalog tofind specific courses and associated materials usingkeywords and titles. Eachcoursehasa title, a description, a duration,prerequisites $($when applicable$).$ Additionalresources$($syllabus$,$course preview videos, slides$)$ can be attached to course content. Learnerscan requestenrollmentona course orcancel their enrollment. Learners canview their completed courses. TheadministraStsohrcoaunld restrict content availability to specific date ranges. Learnerscan 'star$-$rate' content.TohbeiLleMdevicest o support all modern browsers and should be easy to use. Learners can uasepprtohveeirnmewcontentadded upload their own videos orphotosinto the LMS$.$ Administratorsneed to bylearners.