What is the essential difference between isnād and matn?

Isnād, Matn, Explicit and Constructive Marfūʿ, and Mawqūf

• The isnād is the content; the matn is the list of narrators
• The isnād is the route; the matn is the wording it reaches
• Isnād merely means the Companion’s name
• Matn refers only to a weak narration