Explanation
Creating a Salesforce console for service and enabling the knowledge sidebar on the case page layout is a solution that can enable articles to be suggested to agents based on information they are typing into the case. A Salesforce console for service is a workspace that allows agents to manage multiple cases and interactions on a single screen. The knowledge sidebar is a feature that shows suggested articles based on the case subject, description, or other fields in the console. Verified References: :
https://help.salesforce.com/s/articleView?id=sf.console2_overview.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.knowledge_sidebar_enable.htm&type=5

Creating a screen-based flow accessible from the Experience site and internally is a solution that can enable clients to apply for a home loan through an Experience site and allow a loan specialist to finish the submission if needed. A screen-based flow is a type of flow that allows administrators to create guided processes that collect user input through screens and perform actions based on the input. A screen-based flow can be embedded in an Experience site or an internal app and allow clients or loan specialists to fill out the information for the home loan application. Verified References: : https://help.salesforce.com/s/articleView?
id=sf.flow_concepts_screenelement.htm&type=5 : https://help.salesforce.com/s/articleView?id=sf.
flow_distribute_overview.htm&type=5

These are two Service Cloud features that work together to improve the process of closing a case and sending a survey through email. Macros are tools that allow agents to automate common or repetitive tasks on a record, such as sending an email or updating a field. Macros can help agents save time and avoid errors when closing a case and sending a survey through email. Email Templates are tools that allow administrators to create predefined email messages that can be used for common purposes, such as sending surveys or confirmations. Email Templates can help ensure consistent and professional communication with customers.
Verified References: : https://help.salesforce.com/s/articleView?id=sf.console2_macros_overview.
htm&type=5 : https://help.salesforce.com/s/articleView?id=sf.email_templates_overview.htm&type=5