7. A system for processing correlated keywords, the system comprising: one or more servers including multiple hardware components including: an interface unit configured to: provide a web page having a first input box and at least a second input box; receive, from a computing device associated with a user, a keyword inputted in the first input box; obtain multiple related keywords that are related to the keyword; and receive a selection from the user of a related keyword of the multiple related keywords; an object processing unit configured to: provide a keyword list including the related keyword, wherein the keyword list is created using an embedded window object associated with the second input box; in response to a receipt of an additional user selection from the user of an additional related keyword of the multiple related keywords: determine a number of keywords existing in the keyword list; determine whether the keyword list includes a duplication of the additional related keyword; and update the keyword list by adding the additional related keyword into the keyword list in response to: a determination that the number of keywords existing in the keyword is not greater than a predetermined value, and a determination that the keyword list does not already include the additional related keyword, wherein the updating the keyword list comprises: updating the second input box to include the related keyword; and adding the additional related keyword to the second input box before the user completes selections of any remaining additional related keywords; present to the user the updated keyword list via the interface unit; and enable a search by the user using the updated keyword list.
7. A system for processing correlated keywords, the system comprising: one or more servers including multiple hardware components including: an interface unit configured to: provide a web page having a first input box and at least a second input box; receive, from a computing device associated with a user, a keyword inputted in the first input box; obtain multiple related keywords that are related to the keyword; and receive a selection from the user of a related keyword of the multiple related keywords; an object processing unit configured to: provide a keyword list including the related keyword, wherein the keyword list is created using an embedded window object associated with the second input box; in response to a receipt of an additional user selection from the user of an additional related keyword of the multiple related keywords: determine a number of keywords existing in the keyword list; determine whether the keyword list includes a duplication of the additional related keyword; and update the keyword list by adding the additional related keyword into the keyword list in response to: a determination that the number of keywords existing in the keyword is not greater than a predetermined value, and a determination that the keyword list does not already include the additional related keyword, wherein the updating the keyword list comprises: updating the second input box to include the related keyword; and adding the additional related keyword to the second input box before the user completes selections of any remaining additional related keywords; present to the user the updated keyword list via the interface unit; and enable a search by the user using the updated keyword list. 10. The system of claim 7 , wherein the presenting the updated keyword list comprises presenting the updated keyword list using a predetermined graphic style.