Social media refers to online platforms that allow users to create and share content with a wide audience, while social networking specifically focuses on connecting and interacting with other users within a specific community or group. Social media platforms like Facebook, Twitter, and Instagram enable users to share content with a broad audience, whereas social networking sites like LinkedIn and Meetup are designed to facilitate connections and interactions between individuals with common interests or goals. In essence, social media is a broader term that encompasses various online platforms for sharing content, while social networking is more focused on building relationships and connections within a specific community. **

A cross-section is a two-dimensional representation of a three-dimensional object that is created by cutting the object perpendicular to its longest axis. It provides a view of the internal structure of the object. On the other hand, a longitudinal section is a two-dimensional representation of a three-dimensional object that is created by cutting the object parallel to its longest axis. It provides a view of the internal structure of the object along its length. Both types of sections are commonly used in fields such as anatomy, engineering, and geology to study the internal structure of objects. **

The elevation profile of the cross-section shows the vertical change in elevation along a specific line or path. It typically displays a graph with distance along the x-axis and elevation along the y-axis. The profile will show the highs and lows of the terrain, including any hills, valleys, or other topographical features. It provides a visual representation of the changes in elevation along the path, helping to understand the steepness and overall topography of the area. **

A pressure section is a part of a device or system that measures the force per unit area exerted on a surface. This can be used to determine the pressure of a fluid or gas in a system. A sensory section, on the other hand, is a part of a system that is responsible for detecting and interpreting sensory information, such as temperature, light, sound, or other environmental stimuli. In the context of a pressure sensor, the pressure section would measure the force per unit area, while the sensory section would interpret and transmit this information for further processing or action. **

The representation of the population cross-section in the media is often not sufficient. Many media outlets lack diversity in their portrayal of different races, ethnicities, genders, sexual orientations, and abilities. This lack of representation can lead to the perpetuation of stereotypes and the marginalization of certain groups. It is important for the media to accurately reflect the diversity of the population in order to provide a more inclusive and representative portrayal of society. **

A vignette section is a short, descriptive piece of writing that captures a moment, scene, or character in a concise and vivid way. It often focuses on a specific detail or aspect of a larger story, providing a snapshot that reveals deeper insights or emotions. Vignettes can help to create atmosphere, develop characters, or convey themes in a brief and impactful manner. **

No, it is not a cross-section. **

Section 2 of what? Please provide more context or specify the document or topic you are referring to so that I can provide an accurate explanation. **