Except as expressly provided for herein, the rights, obligations and remedies created by this Agreement are cumulative and in addition to any other rights, obligations or remedies otherwise available at law or in equity. Here ir is used to simply mean that the provisions explicitly stated in this document are added to angthing else that exists. The two sources for prior remedies are "law" (legal) and "equity" (civil law, often by precedent rather than by statute.). From https://www.law.cornell.edu/wex/equity In law, the term "equity" refers to a particular set of remedies and associated procedures involved with civil law. These equitable doctrines and procedures are distinguished from "legal" ones. While legal remedies typically involve monetary damages, equitable relief typically refers to injunctions, specific performance, or vacatur. A court will typically award equitable remedies when a legal remedy is insufficient or inadequate. For example, courts will typically award equitable relief for a claim which involves a particular or unique piece of real estate, or if the plaintiff requests specific performance.

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