1)
Why will one call to his friend?
1.
Radak: It will be amidst great Shalom that they will have. Malbim ? it will be then, but not now.
2)
Why will they be under vines and fig trees?
1.
Malbim: On the day that they lay the foundation, they brought vines and fig wood and made shade for the builders and foundation layers, for honor.
