Base Lightning Components in Salesforce LWC

In Lightning web components(lwc) we will Base Lightning Components to display the particular record information/to create a record quickly with provided information with out using any custom apex.

List of the available Base Lightning Components are

• lightning-record-edit-form
• lightning-record-form
• lightning-record-view-form

lightning-record-edit-form:

• This component wrapper accepts the record id to display one or more fields and labels related to that field corresponding to given record id 
• This will not require any apex because it uses Lightning Data Services to fetch the data
• This will not support Standard objects like Task and Events.
• Use lightning-output-field to display data in read only format
• Use lightning-input-field to edit these fields in edit on record edit page

lightning-record-form:

• Use this component to build the forms quickly to create a record,view the record or to update the record. 
• Building the record creation forms is easier than building the form using lightning-record-edit-form and lightning-record-view-form. 
• This component accepts 4 properties like object name which is mandatory,record id which is optional in case of create record ,mode to specify view/edit/read only and layout type like Full or compact
• It will also takes care of FLS and sharing rules

 <lightning-record-form  
   record-id="739hchjsh773"  
   object-api-name="Position__c"  
   layout-type="Full"  
   mode="view">  
 </lightning-record-form>  

lightning-record-view-form:

• Use this component when you want to dispaly the record on view mode
• This will not require any apex because it uses Lightning Data Services to fetch the data
• This will not support Standard objects like Task and Events.
• It will also takes care of FLS and sharing rules.

For more information refer:

• https://developer.salesforce.com/docs/component-library/bundle/lightning-record-form/documentation
• https://developer.salesforce.com/docs/component-library/bundle/lightning-record-view-form/documentation
• https://developer.salesforce.com/docs/component-library/bundle/lightning-record-edit-form/documentation

Hope this helps you...Enjoy!