SAN FRANCISCO -- Vernon Davis can be a man of many words, but on Sunday his legs and actions communicated everything.

Run to open spaces, catch Colin Kaepernick's laser passes, and then keep running.

No words, just touchdowns.

That's the truest kind of sharing right there, and it's the best kind for a quarterback hungry for dangerous receiving options.

So, when the 49ers offense needed somebody to do something special, there was Davis; and where he went, Arizona defenders followed, often far, far behind him.

You do that a few times, the QB notices.

"Vernon, I mean, when he plays like this, he doesn't have to say anything," Kaepernick said after the 49ers' 32-20 victory over Arizona on Sunday.

San Francisco 49ers’ Vernon Davis (85) scores a touchdown on a 61 yard pass from San Francisco 49ers’ starting quarterback Colin Kaepernick (7)
San Francisco 49ers' Vernon Davis (85) scores a touchdown on a 61 yard pass from San Francisco 49ers' starting quarterback Colin Kaepernick (7) against the Arizona Cardinals in the second quarter at Candlestick Park in San Francisco, Calif., on Sunday, Oct. 13, 2013. (Nhat V. Meyer/Bay Area News Group) ( Nhat V. Meyer )

"Everybody on the team feels it, I know it, the coaches know it. We want to put the ball in his hands."

There's the 49ers' new passing-game formula: Davis gets open + QB throws it to him = bonanza.

In the second quarter alone, Davis caught 61- and 35-yard touchdowns and also a spectacular over-the-shoulder 28-yard reception, leading to 171 receiving yards in the first half alone.

Davis finished with 180 yards on the day -- matching his career-high, set in the NFC playoff game against New Orleans after the 2011 season -- and then picked up those verbal plaudits from his QB.

"That was sweet of him," Davis said of Kaepernick's get-it-to-Vernon praise.

It also makes a ton of sense.


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For a 49ers offense that was looking sludgy in the first quarter and that is missing "go-to" receiver Michael Crabtree at least for a little while longer, Davis' towering performance was an awakening.

And it has been building, back from the middle of last season, when Davis himself mentioned that some chemistry was lacking after Kaepernick jumped over Alex Smith to win the starting spot.

The two seemed to gain chemistry in the playoffs last season, but at the end of the Super Bowl, Kaepernick threw three consecutive incompletions intended for Crabtree, and none Davis' way.

At the open of this season, with Crabtree out, Kaepernick was zeroed in on Anquan Boldin; but now it's clear that Davis has won his trust.

"When you're in the zone, it's like you're on a high and you can't come down," Davis said when asked to describe his day.

"(Kaepernick) was able to find me several times. And we started to click. And we were on the same page. Just having the chemistry with your quarterback, it was beautiful."

Davis was out with a sore hamstring during the 49ers' loss to Indianapolis last month, when they could manage only seven points.

But since Davis' return, the 49ers are 3-0 and have scored 35, 34 and now 32 points in those games.

And no surprise, Davis has scored four TDs in the three games.

"He has the capabilities to do it any time we go out there," receiver Kyle Williams said of Davis.

"Today we saw it happen especially when we needed it. We needed him today."

As coach Jim Harbaugh explained it, the Arizona defense stacked the line to stop the 49ers' run game, which gave Davis chances to beat a defensive back one-on-one.

And he did. Often.

"They committed an extra player to the box and went with 'man' coverage, and at times 'zero' coverage," Harbaugh said, referring to an alignment with no safeties deep.

"That gave Vernon a chance to win and make the big play. And those were great plays he made, too."

Harbaugh seemed to especially appreciate Davis' lunging over-the-shoulder catch on the sideline between two defenders.

Get open, get the ball. Even if you're not really that open.

"(Davis) climbed up, went up -- I didn't think he was going to be able to make that play," Harbaugh said.

So what happens when Crabtree and Mario Manningham come back later this season?

They will just give Kaepernick more trusted options, open up greater offensive dimensions, force defenses to cover more of the field, and possibly give Davis even more chance to beat a defender -- any defender -- up the field, one-on-one.

And when he does, you can bet Kaepernick will be ready to throw it to him.

"I call him Kappy every day," Davis said of his personal nickname for the QB. "I don't know if he likes it, but he's going to have to accept it."

Kaepernick doesn't care what Davis calls him, I'm sure, or what he says, as long as he gets open, catches the ball, and scores TDs.

There is no deeper football communication or meaning than that, and there really doesn't need to be.

Read Tim Kawakami's Talking Points blog at blogs.mercurynews.com/kawakami. Contact him at tkawakami@mercurynews.com.