The term Nature-Based Solutions (NBS) comprises various approaches that address social and environmental challenges in a way that is beneficial to both biodiversity and human well-being. To establish a common understanding of the NBS concept among all stakeholders in the ENABLS project, this document provides an overview and examples of what is, and what is not, considered a Nature-Based Solution based on the literature. In summary, NBS represent a strategy for promoting sustainable development and enhancing resilience, emphasizing the importance of nature to our well-being and the need to protect, restore, and sustainably manage it. Through NBS, we work towards a more equitable, prosperous, and environmentally sustainable future for all. Additionally, the multiple benefits of NBS are described in this document, as well as strategies for effective scaling up of NBS.