[3-7] The Latins were an Italian race who, even before the dawn of history, dwelt on the plains south of the Tiber. Rome was supposed to be a colony of Alba Longa, the chief Latin city, but the Latin peoples were in the fourth century brought into complete subjection to Rome.

[3-8] Champaign, or campagna, means any open, level tract of country. The name is specifically applied to the extensive plains about Rome.

[4-9] A part of the Capitoline, one of the seven hills on which Rome is built, was called the Tarpeian Rock, after Tarpeia, daughter of an early governor of the citadel on the Capitoline. According to the popular legend, when the Sabines came against Rome, Tarpeia promised to open the gate of the fortress to them if they would give her what they wore on their left arms. It was their jewelry which she coveted, but she was punished for her greed and treachery, for when the soldiers had entered the fortress they hurled their shields upon her, crushing her to death.

[5-10] Fathers of the City was the name given to the members of the Roman Senate.

[5-11] Ostia was the port of Rome, situated at the mouth of the Tiber.

[5-12] Janiculum is a hill on the west bank of the Tiber at Rome. It was strongly fortified, and commanded the approach to Rome.

[5-13] Iwis is an obsolete word meaning truly.

[5-14] When the kings were banished from Rome the people vowed that never again should one man hold the supreme power. Two chief rulers were therefore chosen, and were given the name of consuls.

[7-15] Sextus was the son of the last king of Rome. It was a shameful deed of his which finally roused the people against the Tarquin family.

[8-16] In the temple of the goddess Vesta a sacred flame was kept burning constantly, and it was thought that the consequences to the city would be most dire if the fire were allowed to go out. The Vestal virgins, priestesses who tended the flame, were held in the highest honor.