This question is of course 'Human Computer interaction ' Draw the hierarchicalTask analysis for the E shopping project like below example.

With the help of following given Functional and non functional requirements below.

A Random Ordering of Lowest-Level Tasks Vacuum furniture (e.g., couches) Polish furniture Serve beverages Clear the table Wash floors Vacuum floor and rugs Rinse dishes Put meal on table Combine ingredients for cooking Wash pots and pans Dust Wash rugs/towels in washing machine Mix up ingredients for cooking Sweep floors Wash fixtures (sinks, toilets, tubs) Set the table Serve food from table Cook prepared food Put dishes in dishwasher Dust furniture 17 * TOM of Housekeeping Tasks Hierarchy Housekeeping Provide Meals Clean House Cook Wash Combine ingredients (bowls, measuring cups) Mix ingredients (utensils) Cook (pots, pans, oven) Floors (mops, liquid) Fixtures (scrubbers, liquid) Rugs/towels (washing machine) Vacuum/ Sweep Serve Rugs (vacuum, bags) Floors (broom, dustpan) Furniture (vacuun, attachments Set table (table, linens, dishware) Serve beverages (glassware) Put meal on table (serving bowls) Serve food (serving utensils) Dust/ Polish Clean 18 Clear table (trays) Rinse dishes (sink, scrubbers) .Load dishwasher (detergent) .Wash pots/pans (detergent, scrubbers, drain Polish and dust furniture (polish, cloths, duster) Different functional modules that would be implemented in our system are: FR-01 USER REGISTRATION: We will let our user to enroll or register themselves in our website so that they can so their shopping efficiently. FR-02 LOGIN: By the providing username and password they can login to their account. FR-03 DELETES AN ITEM FROM CART: User can delete an item from the cart if he/she changes their mind to purchase the product. FR-04 PAYMENT: We will add many payment methods through which user can pay for his purchases FR-05 LOGOUT: Users can logout from his/her account. We will assure them to save the data of their account. FR-06 CREATE A REPORT: We will allow the user to create or generate any report, if he is facing some problem or difficulty. FR-07 ACCOUNT DEACTIVATES: If a user has not used his account for a long time, then the account will be suspended. FR-08 RECORD OF THE PRODUCT: If the products are not available then the manager will check it and add the specific product NON FUNCTIONAL REQUIRMENTS: In non-functional requirements our main focus would be on following modules: NFR-01 PERFORMANCE: We will make sure to make our project much efficient. There will be fast response time for user login. The other functions in our system will also handle nicely and in less time. NFR-02 SECURITY: As in online shopping it is very necessary for the user to put his trust on your site as his personal information is used in it. We will make sure to make our privacy system unrelenting. NFR-03 BACKUP: We will assure that the user can get his data, wish lists and purchase lists even if he logs out from the account or any electronic disaster for instance hardware loss